<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="数量" prop="num">
        <el-input
          v-model="queryParams.num"
          placeholder="请输入数量"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['common:cart:add']"
        >新增
        </el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['common:cart:edit']"
        >修改
        </el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="cartList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center"/>
      <el-table-column label="主键id" align="center" prop="id"/>
      <el-table-column label="规格id" align="center" prop="skuId"/>
      <el-table-column label="数量" align="center" prop="num"/>
      <el-table-column label="总价值" align="center" prop="totalPrice"/>
      <el-table-column label="状态(0为未使用，1为已使用)" align="center" prop="status"/>
      <el-table-column label="用户id" align="center" prop="userId"/>
      <el-table-column label="备注" align="center" prop="remark"/>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['common:cart:edit']"
          >修改
          </el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['common:cart:remove']"
          >删除
          </el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageIndex"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改购物车对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="规格id" prop="skuId">
          <el-input v-model="form.skuId" placeholder="请输入规格id"/>
        </el-form-item>
        <el-form-item label="数量" prop="num">
          <el-input v-model="form.num" placeholder="请输入数量"/>
        </el-form-item>
        <el-form-item label="总价值" prop="totalPrice">
          <el-input v-model="form.totalPrice" placeholder="请输入总价值"/>
        </el-form-item>
        <el-form-item label="用户id" prop="userId">
          <el-input v-model="form.userId" placeholder="请输入用户id"/>
        </el-form-item>
        <el-form-item label="备注" prop="remark">
          <el-input v-model="form.remark" placeholder="请输入备注"/>
        </el-form-item>
        <el-form-item label="逻辑删除(0表示未删除，1表示软删除)" prop="isDelete">
          <el-input v-model="form.isDelete" placeholder="请输入逻辑删除(0表示未删除，1表示软删除)"/>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>

    <!-- 导入对话框 -->
    <el-dialog :title="upload.title" :visible.sync="upload.open" width="400px" append-to-body>
      <el-upload
        ref="upload"
        :limit="1"
        accept=".xlsx, .xls"
        :headers="upload.headers"
        :action="upload.url + '?updateSupport=' + upload.updateSupport"
        :disabled="upload.isUploading"
        :on-progress="handleFileUploadProgress"
        :on-success="handleFileSuccess"
        :auto-upload="false"
        drag
      >
        <i class="el-icon-upload"></i>
        <div class="el-upload__text">将文件拖到此处，或<em>点击上传</em></div>
        <div class="el-upload__tip text-center" slot="tip">
          <!--          <div class="el-upload__tip" slot="tip">
                      <el-checkbox v-model="upload.updateSupport" /> 是否更新已经存在的用户数据
                    </div>-->
          <span>仅允许导入xls、xlsx格式文件。</span>
          <el-link type="primary" :underline="false" style="font-size:12px;vertical-align: baseline;"
                   @click="importTemplate">下载模板
          </el-link>
        </div>
      </el-upload>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitFileForm">确 定</el-button>
        <el-button @click="upload.open = false">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import {pageCart, getCart, delCart, addCart, updateCart} from "@/api/common/cart";
import {getToken} from '@/utils/auth'

export default {
  name: "Cart",
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 购物车表格数据
      cartList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageIndex: 1,
        pageSize: 10,
        skuId: null,
        num: null,
        totalPrice: null,
        status: null,
        userId: null,
        isDelete: null
      },
      // 表单参数
      form: {},
      // 导入参数
      upload: {
        // 是否显示弹出层
        open: false,
        // 弹出层标题
        title: "",
        // 是否禁用上传
        isUploading: false,
        // 是否更新已经存在的用户数据
        updateSupport: 0,
        // 设置上传的请求头部
        headers: {Authorization: "Bearer " + getToken()},
        // 上传的地址
        url: process.env.VUE_APP_BASE_API + "/business/upload"
      },
      // 表单校验
      rules: {
        skuId: [
          {required: true, message: "规格id不能为空", trigger: "blur"}
        ],
        num: [
          {required: true, message: "数量不能为空", trigger: "blur"}
        ],
        status: [
          {required: true, message: "状态(0为未使用，1为已使用)不能为空", trigger: "blur"}
        ],
        createTime: [
          {required: true, message: "创建时间不能为空", trigger: "blur"}
        ],
      }
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 查询购物车列表 */
    getList() {
      this.loading = true;
      pageCart(this.queryParams).then(response => {
        this.cartList = response.data.records;
        this.total = response.data.records.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        skuId: null,
        num: null,
        totalPrice: null,
        status: 0,
        userId: null,
        remark: null,
        createBy: null,
        createTime: null,
        updateBy: null,
        updateTime: null,
        isDelete: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageIndex = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length !== 1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加购物车";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids
      getCart(id).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改购物车";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.id != null) {
            updateCart(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addCart(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$modal.confirm('是否确认删除购物车编号为"' + ids + '"的数据项？').then(function () {
        return delCart(ids);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {
      });
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('common/cart/export', {
        ...this.queryParams
      }, `购物车.xlsx`)
    },
    // ======================  导入相关方法 start ===================
    /** 导入按钮操作 */
    handleImport() {
      this.upload.title = "购物车导入";
      this.upload.open = true;
    },
    /** 下载模板操作 */
    importTemplate() {
      this.download('common/cart/importTemplate', {}, `购物车导入模板.xlsx`)
    },
    // 文件上传中处理
    handleFileUploadProgress(event, file, fileList) {
      this.upload.isUploading = true;
    },
    // 文件上传成功处理
    handleFileSuccess(response, file, fileList) {
      this.upload.open = false;
      this.upload.isUploading = false;
      this.$refs.upload.clearFiles();
      this.$alert("<div style='overflow: auto;overflow-x: hidden;max-height: 70vh;padding: 10px 20px 0;'>" + response.msg + "</div>", "导入结果", {dangerouslyUseHTMLString: true});
      this.getList();
    },
    // 提交上传文件
    submitFileForm() {
      this.$refs.upload.submit();
    }
    // ======================  导入相关方法 end ===================
  }
};
</script>

